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SN74ALS867ANT

Part # SN74ALS867ANT
Description 8 BIT BINARY UP/DOWN COUNTER,DIP-24, Counter Type:Binary,
Category IC
Availability Out of Stock
Qty 0
Qty Price
1 + $4.98560

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

SN54AS867, SN54AS869
SN74ALS867A, SN74ALS869, SN74AS867, SN74AS869
SYNCHRONOUS 8-BIT UP/DOWN COUNTERS
SDAS115C – DECEMBER 1982 – REVISED JANUARY 1995
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage, V
CC
7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, V
I
7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
: SN74ALS869 0°C to 70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range –65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN74ALS869
UNIT
MIN NOM MAX
UNIT
V
CC
Supply voltage 4.5 5 5.5 V
V
IH
High-level input voltage 2 V
V
IL
Low-level input voltage 0.8 V
I
OH
High-level output current –0.4 mA
I
OL
Low-level output current 8 mA
f
clock
Clock frequency 0 35 MHz
t
w(clock)
Pulse duration, CLK high or low 14 ns
Data inputs A–H 10
ENP or ENT 15
t
Set p time before CLK↑
S0 and S1 low (clear) 13
ns
t
su
S
etup t
i
me
b
e
f
ore
CLK↑
S0 low and S1 high (load) 13
ns
S0 high and S1 low (count down) 13
S0 and S1 high (count up) 13
t
h
Hold time after CLK↑
S0 high after S1↑ or S1 high after S0↑ 3
ns
t
h
H
o
ld
t
i
me a
f
ter
CLK↑
Data inputs A–H 0
ns
T
A
Operating free-air temperature 0 70 °C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN74ALS869
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
‡
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.2 V
V
OH
V
CC
= 4.5 V to 5.5 V, I
OH
= –0.4 mA V
CC
–2 V
V
OL
I
OL
= 4 mA 0.25 0.4
V
V
OL
CC
=
.
I
OL
= 8 mA 0.35 0.5
V
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 µA
I
IL
V
CC
= 5.5 V, V
I
= 0.4 V –0.2 mA
I
O
§
V
CC
= 5.5 V, V
O
= 2.25 V –30 –112 mA
I
CC
V
CC
= 5.5 V 28 45 mA
‡
All typical values are at V
CC
= 5 V, T
A
= 25°C.
§
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.
SN54AS867, SN54AS869
SN74ALS867A, SN74ALS869, SN74AS867, SN74AS869
SYNCHRONOUS 8-BIT UP/DOWN COUNTERS
SDAS115C – DECEMBER 1982 – REVISED JANUARY 1995
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics (see Figure 1)
PARAMETER
FROM
(
INPUT
)
TO
(
OUTPUT
)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R
L
= 500 Ω,
T
A
= MIN to MAX
†
UNIT
(INPUT)
(OUTPUT)
SN74ALS869
MIN MAX
f
max
35 MHz
t
PLH
CLK
RCO
4 14
ns
t
PHL
CLK
RCO
4 14
ns
t
PLH
CLK
Any Q
3 16
ns
t
PHL
CLK
An
y
Q
3 16
ns
t
PLH
ENT
RCO
3 14
ns
t
PHL
ENT
RCO
2 9
ns
t
PLH
S1
RCO
4 15
ns
t
PHL
(count up/down)
RCO
4 15
ns
t
PLH
S0
RCO
4 16
ns
t
PHL
(clear/load)
RCO
4 12
ns
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
SN54AS867, SN54AS869
SN74ALS867A, SN74ALS869, SN74AS867, SN74AS869
SYNCHRONOUS 8-BIT UP/DOWN COUNTERS
SDAS115C – DECEMBER 1982 – REVISED JANUARY 1995
12
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage, V
CC
7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, V
I
7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
: SN54AS867 –55°C to 125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74AS867 0°C to 70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range –65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54AS867 SN74AS867
UNIT
MIN NOM MAX MIN NOM MAX
UNIT
V
CC
Supply voltage 4.5 5 5.5 4.5 5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
I
OH
High-level output current –2 –2 mA
I
OL
Low-level output current 20 20 mA
f
clock
* Clock frequency 0 40 0 50 MHz
t
w(clock)
* Pulse duration, CLK high or low 12.5 10 ns
t
w(clear)
* Pulse duration of clear pulse, S0 and S1 low 12.5 10 ns
Data inputs A–H 5 4
ENP or ENT 9 8
t
*
Set p time before CLK↑
S0 low and S1 high (load) 11 10
ns
t
su
*
S
etup t
i
me
b
e
f
ore
CLK↑
S0 and S1 low (clear) 11 10
ns
S0 high and S1 low (count down) 42 40
S0 and S1 high (count up) 42 40
t
h
* Hold time after CLK↑ Data inputs A–H 0 0 ns
t
skew
*
Skew time between S0 and S1
(maximum to avoid inadvertent clear)
8 7 ns
T
A
Operating free-air temperature –55 125 0 70 °C
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
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